- Config Library: Add ability to set default value in config_get

Author: DannyBen

examples/config/src/get_command.sh

@@ -7,7 +7,10 @@ else
   echo "No such key: $key"
 fi
 
-# Example of how to assign the config value to a variable:
-# result=$(config_get "${args[key]}")
-# echo $result
+# Or, assign a default value if value not found
+config_get "$key" "the default value"
+
+# Or, assign the result to a variable
+result=$(config_get "$key")
+echo $result
 

examples/config/src/lib/config.sh

@@ -17,11 +17,11 @@ config_init() {
 }
 
 ## Get a value from the config.
-## Usage: result=$(config_get hello)
+## Usage: result=$(config_get key) -or- result=$(config_get key "default value")
 config_get() {
   local key=$1
+  local value=$2
   local regex="^$key *= *(.+)$"
-  local value=""
 
   config_init
 

lib/bashly/libraries/config/config.sh

@@ -17,11 +17,11 @@ config_init() {
 }
 
 ## Get a value from the config.
-## Usage: result=$(config_get hello)
+## Usage: result=$(config_get key) -or- result=$(config_get key "default value")
 config_get() {
   local key=$1
+  local value=$2
   local regex="^$key *= *(.+)$"
-  local value=""
 
   config_init
 

spec/approvals/examples/config

@@ -33,8 +33,12 @@ saved: hello = world
 saved: bashly = works
 + ./configly get hello
 world
+world
+world
 + ./configly get invalid_key
 No such key: invalid_key
+the default value
+
 + ./configly list
 ; comments are allowed
 hello = world